[aprssig] Digital two-way Radio communication in emergency situations

Curt, WE7U curt.we7u at gmail.com
Mon Sep 8 10:50:19 CDT 2014


On Mon, 8 Sep 2014, SARTrack Admin wrote:

> Thanks everyone for their input.
>
> I am still looking for a digital transmission unit which can transmit data in 
> a higer modulation scheme.
> I actually just found an interesting company who sells just that, but I 
> assume this gear is going to be very expensive. They use OFDM on Time 
> Division Multiplex 256-QAM modulation, which enables them to transmit up to 
> 56Kb on a 12.5 Kc channel, but it would require a huge amount of FEC. I would 
> think something like 8PSK would be more suitable for what I have in mind.

Anyone send you this link?

     http://nwdigitalradio.com/

This hasn't come out yet, but should be out sometime in the coming months.  I'm on the pre-order list.

I plan to use it for TCP/IP applications and experimentation.  Runs Linux inside.

-- 
Curt, WE7U.        http://wetnet.net/~we7u
APRS Client Capabilities:  http://wetnet.net/~we7u/aprs_capabilities.html


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